Well, I just finished it. Mounted a Revo slipper on an E-Maxx tranny using the Revo input shaft. I'll post a more detailed writeup later.
BL Revo: CF G2R, LMT1940/7, 6S FP 30C Lipos, MMM, Hitec 5955TG
CRT .5: 7075 Ext Chassis, LMT1930/7, FP 25C 3S Lipos, MM